US20180059083A1 - Egg Candling and Relocation Apparatus for Use with In ovo Injection Machines - Google Patents
Egg Candling and Relocation Apparatus for Use with In ovo Injection Machines Download PDFInfo
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- US20180059083A1 US20180059083A1 US15/686,234 US201715686234A US2018059083A1 US 20180059083 A1 US20180059083 A1 US 20180059083A1 US 201715686234 A US201715686234 A US 201715686234A US 2018059083 A1 US2018059083 A1 US 2018059083A1
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- candling
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- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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Definitions
- the invention relates to an automatic egg candling and relocation apparatus and methods of use for candling and relocation of avian eggs.
- Non-live eggs are removed to reduce the risk of contamination and the costs of in ovo vaccination.
- Automated egg removal apparatuss are known (e.g. U.S. Pat. No. 7,083,208 to Embrex), but current systems tend to employ arrays of suction cups, making it impractical to place non-live eggs into a discrete location for a subsequent use (e.g. filling an egg carton for later sale of unfertilized eggs).
- the instant invention is based upon the successful engineering of an improved egg candling and relocation apparatus that rapidly identifies, removes and relocates individual eggs from an egg carrier, including a hatchery tray. Accordingly, it is one object of the present invention is to provide an egg candling and relocation apparatus that is capable of rapid discrimination, removal and relocation of non-live eggs from a mixed plurality of live and non-live eggs. Owing to its superior discrimination capability, it is envisioned that the apparatus may also be used to select and relocate live/viable eggs.
- the apparatus is configured to receive an egg carrier/hatchery tray comprising a plurality of live and non-live eggs.
- the apparatus comprises a tray-conveying means, which is configured to move the tray along the length of the apparatus. After the tray is received into the apparatus, the conveying means moves the tray into a candling position.
- the apparatus comprises a candling light source, which is configured to direct light at the plurality of eggs.
- the apparatus also comprises a means for detecting the light that is able to pass through the eggs.
- the detecting means is a camera, which is configured to receive the light that passed through the plurality of eggs. The camera is electrically connected to a suitable processing means, such that information about the light passing through the eggs can be processed to determine which eggs are live and which eggs are non-live.
- a robotic arm controlling means which instructs the arm to remove the non-live eggs from the plurality of eggs.
- the arm comprises a suction cup, which is configured to releasably engage with the eggs, to allow the arm to pick up eggs from one location, and to drop off or place the eggs in another location.
- the arm picks up non-live eggs from the hatchery tray and drops them off directly into a carton, for later use. Once the non-live eggs are removed, the tray is moved to an exit portion of the apparatus.
- the apparatus is configured to reversibly attach to an in ovo injection apparatus, which comprises a plurality of injectors, and which may be configured to conditionally deliver vaccine and/or other medicaments only when an egg is present beneath one of the injectors.
- the egg candling and relocation apparatus minimally comprises: a means for conveying hatchery trays; an egg lifting means comprising a vacuum system, for reversibly supplying suction to eggs, and a robotic arm, which is mechanically and operably connected to the vacuum system, and which is configured to reversibly apply suction to individual eggs; a light source, configured to direct light at the eggs; a vision camera, configured to receive the light that passes through the eggs; a computer, configured to process, store and communicate the information collected by the camera; and, at least one computer control, configured to direct the activities of the components of the apparatus.
- the egg lifting means is a robot that includes: a flexible suction cup; pneumatic circuitry, which is configured to allow air pressure to be raised and lowered inside the suction cup when the suction cup is in contact with an egg; a pedestal; a first arm connected to the pedestal and capable of swiveling around a first axis in relation to the pedestal; a second arm connected to the first arm and capable of swiveling around a second axis that is parallel to the first axis and spaced apart from the first axis, in relation to the first arm; and a wiring section which accommodates a wire therein and conveys the wire from the second arm to the pedestal.
- the wiring section includes: a duct supporting portion provided to protrude from the pedestal and intersect with the first axis; a first joint connected to the duct supporting portion and capable of swiveling around the first axis in relation to the duct supporting portion; a second joint connected to the second arm and capable of swiveling around the second axis in relation to the second arm; and a duct connected to the first joint and the second joint.
- the first joint is provided with a first connecting portion forming a predetermined angle relative to the first axis.
- the second joint is provided with a second connecting portion forming a predetermined angle relative to the second axis.
- the duct has a first end and a second end. The first end is connected to the first connecting portion. The second end is connected to the second connecting portion.
- any suitable robotic arm may be used in the practice of this invention, for example, the robotic arm described in US 2014/0109712A1 (to Epson), which is herein incorporated by reference in its entirety.
- the egg lifting robot includes a vacuum generator having first and second passageways, in fluid communication with the first and second passageways, and a flexible cup positioned at a terminal end of a robotic egg-lifting arm, wherein the flexible cup comprises an interior that is in fluid communication with the vacuum generator second passageway.
- the vacuum generator produces subatmospheric pressure (vacuum) within the second passageway upon actuation of a vacuum generator pneumatic control valve.
- the control valve may be actuated by any suitable actuator, including an electrical, pneumatic or hydraulic actuator.
- the flexible cup is configured to engage and retain an egg in seated relation therewith when subatmospheric pressure is provided within the flexible cup interior via the vacuum generator second passageway.
- the flexible cup is removably secured to a suction cup mount, which is operably connected to a vertical quill of the robotic arm.
- a screen may be positioned within the interior of the flexible cup and may be configured to prevent foreign matter from being pulled into the passageway of the vacuum generator.
- an apparatus for removing eggs from an egg carrier includes a frame, a pressurized air source, and a platform comprising at least one robotic arm egg lifting apparatus.
- a method of cleaning and/or sterilizing the egg lifting apparatus includes immersing the flexible cup in a bath of cleaning solution, and inducing vacuum within the interior of the vacuum cup by forcing air flow through the vacuum housing first passageway, wherein contaminants are pulled upwardly through the second passageway and out assembly.
- the egg-relocation apparatus is adaptable to in ovo injection machines, for example, but not limited to INTELLIJECT® and OVOJECTOR®.
- the egg-relocation apparatus may comprise and additional egg-lifting robot, which may be configured to fill empty spaces in an egg carrier with viable eggs.
- there the subsequent in ovo injection machine need not be configured to deliver vaccine or other fluids only when an egg is present, since the entire egg carrier will be populated with viable eggs, ready for injection.
- the egg-candling and relocation apparatus may remove clear eggs from a production line before vaccination at any time between day 17+12 hours and day 19+12 hours of incubation.
- “Clear” eggs are defined herein as entirely infertile, early dead (gestation cessation at day 1-5) and most early-mid dead (gestation cessation at day 6-11); non-clear eggs are defined herein as late-mid dead (gestation cessation at day 11-14), late dead (gestation cessation at day 15-transfer), contaminated and live.
- the egg-candling and relocation apparatus is capable of discriminating among infertile, early dead, most early-mid dead, late-mid dead, late dead, contaminated and live; and, the apparatus is capable of relocating all non-live/non-viable eggs. In this way, only live/viable eggs will remain in the egg carrier, to be presented to a suitable in ovo injection machine for subsequent injection.
- the apparatus is at least 99.9% accurate in identifying and relocating clear eggs, and is 100% accurate in not relocating viable eggs. Clear eggs remain intact during removal and may be automatically relocated into egg cartons for resale.
- FIG. 1 is a side view of an egg candling and relocation apparatus, according to embodiments of the present invention.
- FIG. 2 is an internal and elevated view of the apparatus of FIG. 1 that illustrates the various components thereof.
- FIG. 3 is an internal and elevated view of the apparatus of FIG. 1 with the egg relocation robot removed.
- FIG. 4 is a detailed view of the actuators and track that are configured to convey egg carriers along the length of the apparatus of FIG. 1 , from its loading area to its egg candling station.
- FIG. 5 is detailed view of the carriage that conveys the egg carrier from the viable egg staging area to the exit of the apparatus of FIG. 1 .
- the apparatus is configured to be reversibly connectable to a subsequent and compatible in ovo injection apparatus, as depicted in FIGS. 7 to 8 .
- FIG. 6 is a detailed view of a compatible in ovo injection machine, which is configured to reversibly connect to the egg candling and relocation apparatus of FIG. 1 .
- FIG. 7 is a detailed view of the apparatus of FIG. 1 connected to a compatible in ovo injection machine.
- FIG. 8 is a side view of the apparatus of FIG. 1 connected to a compatible in ovo injection machine.
- FIG. 9A is a side view of a robotic egg relocation apparatus, according to embodiments of the present invention.
- FIG. 9B is a detailed top view of the egg relocation apparatus of FIG. 9A .
- FIG. 9C is a detailed side view of the egg relocation apparatus of FIG. 9B , showing the vacuum generator and the electrical and pneumatic circuitry.
- FIG. 9D is a detailed rear view of the vacuum module shown in FIGS. 9A-9C .
- FIG. 9E is a detailed view of the flexible cup shown in FIG. 9A .
- FIG. 10 illustrates the flexible vacuum cup of the egg relocation apparatus of FIG. 9A being immersed in a bath of cleaning/disinfection solution
- FIG. 11 shows an embodiment of the egg relocation apparatus wherein the robotic arm is mechanically connected to a plurality of flexible cups, each cup operably connected to its own vacuum generator and electrical and pneumatic circuitry.
- This version of the egg relocation apparatus is capable of removing and relocating multiple eggs at a time;
- FIG. 12 is a magnified view of the array of vacuum generators and egg removers
- FIG. 13 is a magnified view of multiple vacuum generators mounted on a vacuum generator base
- FIG. 14 is a magnified view of the forty-two (42) egg remover head 530 ;
- FIG. 15 is a view focusing on the six (6) egg remover head 540 ;
- FIG. 16 shows an embodiment of the apparatus equipped with a single-egg remover head 525 and configured to accommodate wide format egg trays. An optional egg receiving tray 800 is also depicted.
- Egg candling and relocation apparatus may be utilized for distinguishing and relocating various types and sizes of eggs (e.g. live/viable, clear, unfertilized, dead, and the like) and in conjunction with various egg processing techniques (e.g., in ovo inoculation/injection, in ovo virus cultivations, etc.).
- Egg candling and relocation apparatus may be used with any type of avian eggs including, but not limited to, chicken eggs, turkey eggs, duck eggs, geese eggs, quail eggs, pheasant eggs, exotic bird eggs, etc.
- the illustrated candling and relocation apparatus 10 includes a set of outer loading rails 15 , configured to receive an egg carrier 7 (e.g. hatchery tray) into a loading area 1 .
- the outer rails 15 , inner rails 17 and support member 16 collectively form a table or shelf, which may be collapsible to facilitate transportation of the apparatus.
- the support member 16 is configured to reversibly attach to a support member rod 18 (not shown), which supports the table in its horizontal or non-collapsed position.
- the egg carriers 7 are conveyed into the candling station 100 , where non-viable eggs are removed and relocated, and then, the remaining viable eggs are transported to the viable egg staging station 200 . Finally, the eggs are conveyed out of the apparatus, and, ideally, directly into a compatible in ovo injection machine.
- a user interface touch screen 50 Affixed near or adjacent to loading area 1 is a user interface touch screen 50 , which is mounted to the apparatus via mounting means 52 .
- the screen 50 is electrically connected to, and is capable of controlling, all the mechanical and electrical functions of the apparatus 10 .
- a camera enclosure 55 for housing a camera 56 , which is configured to receive light that passes through a plurality of eggs 5 , which are contained within an egg carrier/hatchery tray 7 .
- Light captured by the camera is converted therein into digital information, which is accessible by a processor or controller that controls the motion of an egg relocation apparatus 101 .
- Various panels provide containment and protection for the eggs as they are conveyed through the apparatus 10 , including: an entrance panel 20 ; a candling station top panel 145 ; onto which the camera enclosure 155 is mounted, and comprising an orifice 157 through which the light or the camera 156 may pass; and, a viable egg staging area 200 top panel 228 .
- Panel 145 is affixed to and supported by horizontal frame members 146 and vertical frame members 147 .
- panel 228 is affixed to and supported by curved frame members 229 .
- Other panels are presented in subsequent Figures, and all of the panels and supportive structures may be routinely modified (e.g. opaque materials may be exchanged for transparent or translucent materials; metallic materials may be exchanged for composite/synthetic materials).
- a sanitation fluid tank 170 and an egg relocation robot 101 are mounted to horizontal portions of the frame of the apparatus.
- the robot 101 must be situated such that it can lift and relocate any of a plurality of eggs 5 contained within an egg carrier 7 , while still being able to extend the flexible egg-relocation cup 145 into the sanitation tank 170 for cleaning.
- the robot could be suspended from above instead of mounted as shown in FIG. 1 .
- To the right of the robot controller cabinet 160 is a cabinet 260 , which house an electrical controller 280 and a pneumatic controller 281 . Appropriate conduits and electrical connectivity are included to allow a user to control all aspects of the apparatus using interface 50 .
- An egg carrier 7 is shown entering the “loading table,” via rails 15 .
- the carrier will next be guided to the candling area 100 , then to the viable egg staging area 200 , and finally to an exit area 300 . From the exit area 300 , the carrier 7 will be conveyed or transferred to a compatible in ovo injection machine 400 .
- An egg carrier transfer component/carriage 303 equipped with clasping means 304 , 306 ) and apparatus joining means 305 are configured to allow the egg candling and relocation apparatus 10 to reversibly connect to a compatible in ovo injection machine 400 .
- Securing means 310 are configured to allow the apparatus 10 to be reversibly locked or secured to the in ovo injection machine 400 .
- the apparatus 10 is configured such that it is portable, yet stable once it has been moved into the desired position. Lockable casters 80 and braking means 85 provide the apparatus with these necessary portability and stability functionality.
- FIG. 2 shows an internal and elevated view of the apparatus of FIG. 1 , with its top enclosure and frame portions removed.
- the external rails 15 along with the internal rails 17 , form a table or shelf, which may be collapsible from its depicted horizontal position to a vertical storage/transportation position.
- the support member 16 is configured to reversibly attach to a support member rod 18 (not shown), which may be pivotably affixed to the frame of the egg candling area 200 , such that the rod 18 can extend to connect to a support the table.
- an egg flat/carrier 7 is shown adjacent to an egg flat/tray carriage 191 , which is configured to reversibly engage with and move the egg flat 7 from the egg candling area 100 to the viable egg staging area 200 .
- the egg flat carriage 191 comprises 2 orifices through with air cylinder 195 and air cylinder 193 extend.
- Air cylinders 195 and 193 are operably connected to a front transfer cylinder 190 , such that when the transfer cylinder 109 is actuated by pneumatic force, cylinders 195 and 193 are moved laterally.
- cylinder 195 engages with the flat, such that when cylinder 195 is moved laterally, so too does the flat.
- cylinder 195 functions like a retractable hook, such that when extended behind the egg flat, cylinder 190 is then actuated, and the egg flat is pulled along the track.
- Cylinder 193 is only actuated while the robot is pulling out the identified eggs, such that cylinder 193 secures the flat so that the removal of the eggs does not move the flat and eggs out of position, relative to when the eggs to be removed were identified.
- cylinder 193 retracts to allow the egg flat to be pulled along the track by the action of cylinder 195 .
- the sole purpose of cylinder 193 is to grip/push the flat against the side rail during the egg removal, so that the flat 7 does not move during this step. If the flat were to move, the eggs could be moved out of position, relative to the positions determined during the candling step, and the robot controller would no longer have the proper coordinate of the eggs to be removed.
- a user loads a flat 7 carrying a plurality of eggs onto the shelf formed by rails 15 and 17 .
- the gripper cylinder 193 is actuated, and reversibly engages with the flat 7 .
- the carriage 191 then moves along the length of the cylinder 190 , thereby moving the flat 7 from the egg candling area 100 to the viable egg staging area 200 .
- the gripper cylinder 193 disengages from the flat 7 , allowing the carriage to return to its starting position at the beginning or entrance of the egg candling area 100 , ready to engage with the next incoming flat 7 .
- egg flats 7 are serially fed into the apparatus at the far left end of the rails 15 , pushed into the egg candling area 100 , picked up by the carriage 191 and gripper cylinder 193 , and then moved by cylinder 190 into the viable egg staging area 200 .
- the carriage 303 is moved along the cylinder 302 , and underneath the flat, to the end of the flat closest to the egg candling area 100 from which the flat 7 just arrived.
- the carriage fingers 304 , 306 which are pivotably connected to the carriage 302 , pivot downward as a result of making physical contact with the egg flat 7 .
- the fingers 304 , 306 are pressed down by the flat 7 as they slide beneath it.
- the fingers are thus configured to pivotably retract when they move beneath the egg flat 7 , and configured to return to their initial positions after they clear the underside of the flat 7 .
- the carriage 302 moves underneath the flat 7 until the first set of fingers 306 clears the underside of the flat and returns to its initial position.
- the carriage 302 then reverses its direction of lateral movement, such that the fingers 306 engage with the flat 7 and move the flat from the viable egg staging area 100 toward the exit of the apparatus (i.e. toward the awaiting in ovo injection machine 400 ).
- the carriage 302 reverses direction once more, bringing the second set of fingers 304 out from underneath the flat 7 , where now all four (4) fingers 304 , 306 are in their extended (i.e. initial or resting) positions.
- the cylinder 302 will move the carriage 303 , which in turn moves the front fingers 304 to engage with the flat 7 .
- the carriage 303 then moves into the position shown in FIG. 2 , which moves the flat 7 to the end of the apparatus 10 (as shown in FIG. 3 ), and either off the apparatus, or onto a waiting second apparatus, for example, the in ovo injection machine 400 shown in FIG. 8 .
- FIG. 3 is an internal and elevated view of the apparatus of FIG. 1 with the egg relocation robot removed, and the egg flat 7 shown at its most distal position, ready to be transferred off the apparatus and on to an awaiting secondary apparatus.
- a candling light shroud 108 having a plurality of orifices 187 may be visualized.
- the apparatus 10 comprises a candling light source positioned beneath the shroud 108 and configured to shine light at the shroud 108 and through the plurality of orifices 187 .
- candling fidelity/accuracy could be significantly improve by guiding the candling light through the orifices.
- the holes 187 are configured to align with the positions of the plurality of eggs held within the tray/flat 7 .
- a stabilizing member 88 having a foot portion 87 and a retractable pneumatic cylinder 89 configured to allow for extension and retraction of the support 88 .
- Any suitable such supporting means may be used in the practice of the invention.
- a robotic arm support 102 can be seen from this view, as well as the egg tray 7 and egg tray carriage 303 , which are shown at their most distal positions along the apparatus 10 . In this position, the tray 7 must be supported by some downstream apparatus, for example, the in ovo injection machine shown in FIG. 8 . Both the candling and relocation apparatus 10 and any downstream apparatus must be configured to reversibly connect to one another (see e.g. FIGS. 5 to 8 )
- FIG. 4 shows a close-up view of the pneumatic cylinder 190 , which is configured to move a carriage table 182 laterally from a starting/proximal position to an ending/distal position.
- An egg flat carriage 181 (shown in FIG. 3 ) operably connects egg flat carrier cylinder 195 to egg flat gripper cylinder 193 .
- Cylinders 195 and 193 may have different sized mounting spacers 196 , 194 , respectively, and gripper rod 187 is configured to extend to engage with and “grip” the egg tray 7 , at the same time the robot picks and relocates the eggs.
- a hardware mounting orifice 186 may be present atop the carriage table 182 .
- Cylinder 190 is attached to the apparatus via cylinder end cap 197 (i.e. the mounting point for the rodless cylinder 190 ), and adjustable stroke limiter block 183 , 198 may be placed at any point along cylinder 190 to meet a variety of range of motion requirements.
- Shock absorber 185 e.g. an air or hydraulic cushion
- an adjustable hard stop 184 is configured to provide an absolute hard stop location for the limiter block 183 .
- the adjustability and shock absorbing features allow the apparatus 10 to be configured to suit a variety of conditions, including, but not limited to, different sized egg flats 7 . Further, the apparatus 10 comprises suitable pneumatic and electrical connectivity to allow a user to control all aspects of the apparatus, including those of cylinders 190 , 195 and 193 . And finally, electrical and pneumatic features of the apparatus are controllable via user interface 50 .
- FIG. 5 is detailed view of the apparatus 10 new the carriage 303 and its pivotably retractable fingers 304 , 306 , which convey the egg carrier laterally along the rodless cylinder 302 , from the viable egg staging area 200 to the exit of the apparatus of FIG. 1 .
- the apparatus is configured to be reversibly connectable to a subsequent and compatible in ovo injection apparatus 400 , as depicted in FIGS. 7 to 8 .
- Carriage rails 305 and outer rail 307 form a table or support for the egg tray/flat 7 , similarly to the way rails 15 and 17 formed a table at the entrance of the apparatus 10 .
- the rails 305 and 307 are configured to match up with corresponding partner pieces on the downstream in ovo injection machine 400 .
- carriage 303 is configured to be compatible with downstream in ovo injection machine components, such that the egg tray 7 may be safely and efficiently handed off from the candling and removal apparatus 10 to the in ovo injection machine 400 .
- Inter-apparatus connecting means 310 e.g. draw latches, pull latches, and the like
- mounting means 311 e.g. brackets, braces, flanges, or the like
- each draw latch 310 includes a handle 313 and a hook 312 .
- the hook connects to corresponding hook receiver 401 (see FIG. 6 ), which is mounted onto the frame of the in ovo injection machine 400 .
- FIG. 6 shows the in ovo injection machine 400 components that are configured to receive and/or connect with corresponding candling and removal apparatus 10 components. Shown are the handles 420 , which are used to move the in ovo injection machine; and hook receivers 401 , which are configured to receive and reversibly attach to the hooks 312 from the candling and removal apparatus 10 .
- Carriage receiving rails 416 are configured to align with apparatus rails 305 , such that the candling apparatus carriage 303 may be moved all the way up to in ovo machine carriage 410 , which comprises wheels 412 .
- FIG. 7 shows the meeting and/or connection of corresponding components when the apparatus 10 is connected to the in ovo injection machine 400 .
- the connecting means 310 and hook receivers 401 are sufficient to keep the apparatuses physically connected to one another, and the corresponding components are configured to allow and facilitate the hand off or exchange of the egg tray 7 from the apparatus 10 to the in ovo machine 400 .
- the carriage 303 is shown at its distal-most position, having pushed the egg tray/flat 7 into the entrance of the in ovo injection machine 400 .
- Carriage 410 which may be similarly equipped with pusher fingers (i.e. like the carriage 303 ), is configured to move the egg tray 7 from the beginning portion of the in ovo machine and onto subsequent portions of the machine.
- FIG. 8 shows the egg candling and relocation apparatus 10 connected the in ovo injection machine 400 , collectively referred to herein as an egg candling, relocation and injection system 600 .
- the in ovo injection machine 400 is as described in U.S. Pat. No. 7,430,987, U.S. Pat. No. 7,721,674, or U.S. Pat. No. 8,201,518, each to David Smith (Profilax).
- FIGS. 9A to 9E, and 10 provide details of the egg candling and relocation robotic arm 101 .
- An example robotic arm is described in US 2014/0109712 (“the '712 publication), to Epson.
- the robot 101 is a horizontal multi joint robot.
- a pedestal 110 is fixed to a robot arm support 102 , with bolts or the like.
- the first arm 120 is connected to an upper end of the pedestal 110 .
- the first arm 120 is capable of swiveling around a first axis A 1 that extends along a vertical direction, in relation to the pedestal 110 .
- a first motor 111 which causes the first arm 120 to swivel, and a first decelerator 112 are installed inside the pedestal 110 .
- An input axis of the first decelerator 112 is connected to a rotation axis of the first motor 111 .
- An output axis of the first decelerator 112 is connected to the first arm 120 . Therefore, when the first motor 111 is driven and a driving force thereof is transmitted to the first arm 120 via the first decelerator 112 , the first arm 120 swivels within a horizontal plane around the first axis A 1 in relation to the pedestal 110 .
- the first motor 111 is provided with a first encoder 113 which outputs a pulse signal corresponding to the amount of rotation of the first motor 111 .
- the second arm 130 is connected to a distal end of the first arm 120 .
- the second arm 130 is capable of swiveling around a second axis A 2 that extends along a vertical direction, in relation to the first arm 120 .
- Other details of this robot, or other functionally equivalent robots, are readily available to the skilled person, for example, in product literature from robot manufacturers.
- the robotic arm 101 is fitted with a variety of pneumatic and electrical circuitry, which allows the arm 101 to pick up and relocate eggs.
- the arm 101 of the egg candling and relocation apparatus 10 comprises flexible/elastomeric cup 140 , which is configured to pick up and release spherical and ovoid objects, including avian eggs.
- the cup 140 is connected to a hollow shaft 147 by cup mount 146 .
- the robotic arm 101 is configured to move the shaft 147 vertically, up and down, allowing the cup to come into contact with eggs, pick them up, and move the eggs to a selected location.
- shaft 147 Any suitable length and type of shaft 147 may be used in the practice of the invention, provided that the shaft 147 is hollow and configured to serve as a conduit for air, such that the cup 140 can be reversibly presented with subatmospheric pressure. It is this subatmospheric pressure that allows the flexible cup 140 to pick up the round and ovoid objects.
- the user interface 50 allows a user to control the robot controller 180 , which controller is electrically connected to the robot 101 , and configured to control all aspects of the robot's functions.
- Vacuum generator 132 which is mounted on the robot's second arm 130 via a mounting plate 134 , is in fluid communication with the cup 140 via conduit 149 , shaft 147 and cup mount 146 .
- the generator 132 is configured to reversibly supply sub-atmospheric pressure to the cup 140 in response to the opening and closing of a vacuum generator pneumatic control valve 135 .
- the valve 135 is an electrical actuator, which configured to open or close pneumatic valve 135 in response to electrical signals from the electrical controller 280 .
- the valve may be opened by pneumatic or hydraulic forces, instead of by electrical actuation.
- valve 135 When valve 135 opens, air pressure from the air pressure supply line 133 is permitted to pass through the valve 135 , through conduit 139 (air pressure supply line to venturi), into the vacuum generator 132 , and out the exhaust/muffler 132 m .
- the flow of pressurized air through 139 and out the muffler creates a venturi effect, whereby subatmospheric pressure is produced in conduit 149 .
- This subatmospheric pressure is communicated to the cup 140 , such that when the cup 140 is pressed down against an egg to be relocated, and the subatmospheric pressure is applied, the egg is sealably held to the cup 140 by the negative pressure.
- an electrical signal carried along wire 137 causes the valve 135 to close, thereby releasing the temporary subatmospheric pressure, and releasing the egg.
- Connection point 136 facilitates routine valve 135 replacement by obviating the need to cut and splice wire 137 .
- an air valve base ported aluminum block 129 directs the airflow to the components, to and from valve 135 .
- the flexible cup 140 comprises a mounting point “P”, a vacuum passage 144 , a soft lower lip 141 , a filter screen 142 , and a semi-rigid double below 143 .
- the skilled person will appreciate that other suitable flexible suction cups may be used in the practice of this invention.
- the apparatus 10 may comprise a reservoir/tank 170 for holding a volume of cleaning/sanitizing solution.
- the robotic arm dips the shaft 147 and flexible cup 140 into the tank 170 .
- Negative pressure is applied, by action of the pneumatic controller and the vacuum generator 132 , to draw solution into the shaft 147 through the cup 140 .
- Solution is then circulated throughout the shaft 147 and conduits for a period of time sufficient to sanitize/clean said shaft 147 and conduits.
- the cycle of egg picking and relocating is repeated until each of the eggs to be relocated is removed from the tray 7 and placed into its desired location (e.g. egg carton, box, crate, tray, bin, and the like). Once the non-viable eggs are removed, the tray 7 containing only viable eggs is moved from the candling area 100 to the viable egg staging area 200 . Here, empty spaces may be filled (or not) with viable eggs, either by hand or by another robotic arm.
- the egg picking and relocation cycle may be performed by the apparatus 10 according to the following steps:
- the cup 140 may be cleaned at any time by moving the cup into the sanitization vessel 170 and passing air back and forth to cause sanitizer solution to cleanse the cup.
- the solution may also be drawn up into the shaft 147 and various conduits, to cleanse the shaft and conduits.
- different egg remover “heads” may be mounted on the robot, in a modular fashion, to accommodate the needs of different hatcheries (e.g. to accommodate different types of egg trays).
- the egg removal and relocation apparatus may comprise a robot 101 that is mechanically and operably connected to an array of suction cups 140 .
- each suction cup 140 is mechanically connected to, and movable by, an independent actuator 504 .
- Each actuator 504 is mounted to an egg remover base 500 , which base is mounted on shaft 147 of robot 101 .
- shaft 147 may connect to the egg remover base 500 via shaft attachment means 520 .
- the attachment means may be a segmented annual ring system, or any other mechanically suitable means for attaching the cylindrical shaft to the egg remover base 500 .
- Each suction cup 140 is in fluid communication with an individual vacuum generator 132 via a conduit (not shown), which fluidly connects each suction cup 140 with its corresponding vacuum generator 132 .
- Each conduit is sealably connectable to an airline receiver 508 .
- each actuator 504 is operably connected to the robot 101 (e.g. via electrical wires for electric actuators, or via air conduits for pneumatic actuators), such that each combination of suction cup 140 and actuator 504 (together referred to as “egg remover”, or 510 ) is individually controllable to remove and relocate eggs.
- the independent actuator 504 provides an additional benefit, which is to reduce the risk of contamination and improve biosecurity (i.e. so that each suction cup 140 only comes into contact with the non-viable eggs).
- each suction cup 140 has its own independently controllable vacuum generator 132 , only the cups 140 that are picking out bad eggs generate vacuum, reducing the risk of cross-contamination.
- the vacuum generators 132 may be mounted as banks 512 (as shown), mounted to a vacuum generator bank base 514 , which base may be mounted on the robot 101 . As indicated by the dotted line, another base 514 (having banks of vacuum generators 132 mounted thereto) is present on the opposite side of the robot 101 ).
- the embodiment disclosed in FIGS. 11 to 14 is capable of removing and relocating from 0 to 42 eggs per move/cycle.
- 11 to 14 comprises an array of 42 egg removers 510 , and is capable of picking, removing and relocating 42 eggs (e.g. non-viable eggs) per move. Accordingly, this apparatus can process an eighty-four (84) egg flat in two moves. Although not shown (to simplify the drawings), the apparatus comprises suitable air conduits and/or electrical wires to connect the vacuum generators to the egg removers 510 .
- the egg removing and relocation apparatus may be equipped with a six (6) egg per move egg remover head 540 ( FIG. 15 ). Like the 42 egg remover head 530 , each egg remover 510 is independently controllable, allowing the apparatus to remove and relocate 0 to 6 eggs per move/cycle.
- the apparatus may be equipped with a single-egg remover head 525 , like the apparatus depicted in FIGS. 1 to 4 , and be configured to accommodate wide-format trays (e.g. 150-egg trays).
- cycle time is necessarily dependent upon the number of eggs that must be to be removed & relocated per cycle.
- this configuration offers several benefits including reduced manufacturing costs, reduced maintenance requirements and greater simplicity.
- the embodiment shown in FIG. 16 is capable of precisely repacking removed eggs.
- a receiving tray 800 may be positioned such that the apparatus is capable of filling the receiving tray with the removed eggs. When the receiving tray is full of removed eggs (e.g. non-viable eggs), the apparatus expels the filled receiving tray, so that an empty receiving tray 800 may be placed into the receiving position, thus allowing the repacking process to continue.
- each egg remover head e.g. single-egg, six-egg, forty-two-egg, etc.
- any egg flat configuration based upon each hatchery's needs.
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Abstract
Description
- This application claims benefit of U.S. provisional application No. 62/379,337, filed on 25 Aug. 2016, and herein incorporated by reference in its entirety.
- All references cite below are herein incorporated by reference in their entirety.
- The invention relates to an automatic egg candling and relocation apparatus and methods of use for candling and relocation of avian eggs.
- Discrimination between live and non-live poultry eggs is a well-known in the poultry industry. “Candling” is a common name for one such technique. Eggs to be hatched are typically candled to identify clear (unfertilized), rotted, and dead eggs (collectively “non-live eggs”). Non-live eggs are removed to reduce the risk of contamination and the costs of in ovo vaccination. Automated egg removal apparatuss are known (e.g. U.S. Pat. No. 7,083,208 to Embrex), but current systems tend to employ arrays of suction cups, making it impractical to place non-live eggs into a discrete location for a subsequent use (e.g. filling an egg carton for later sale of unfertilized eggs). Moreover, the poultry industry is constantly looking for improved ways of separating live and non-live eggs that are efficient, that reduce costs, and that reduce the risk of contamination to live eggs. Applicants thus sought to develop an improved automatic egg candling and relocation apparatus, which can place the non-live eggs in specific locations, including into an egg carton.
- The instant invention is based upon the successful engineering of an improved egg candling and relocation apparatus that rapidly identifies, removes and relocates individual eggs from an egg carrier, including a hatchery tray. Accordingly, it is one object of the present invention is to provide an egg candling and relocation apparatus that is capable of rapid discrimination, removal and relocation of non-live eggs from a mixed plurality of live and non-live eggs. Owing to its superior discrimination capability, it is envisioned that the apparatus may also be used to select and relocate live/viable eggs.
- In some embodiments, the apparatus is configured to receive an egg carrier/hatchery tray comprising a plurality of live and non-live eggs. The apparatus comprises a tray-conveying means, which is configured to move the tray along the length of the apparatus. After the tray is received into the apparatus, the conveying means moves the tray into a candling position. The apparatus comprises a candling light source, which is configured to direct light at the plurality of eggs. The apparatus also comprises a means for detecting the light that is able to pass through the eggs. In some embodiments, the detecting means is a camera, which is configured to receive the light that passed through the plurality of eggs. The camera is electrically connected to a suitable processing means, such that information about the light passing through the eggs can be processed to determine which eggs are live and which eggs are non-live.
- Once the non-live eggs are determined by the processing means, this information is communicated to a robotic arm controlling means, which instructs the arm to remove the non-live eggs from the plurality of eggs. The arm comprises a suction cup, which is configured to releasably engage with the eggs, to allow the arm to pick up eggs from one location, and to drop off or place the eggs in another location. In some embodiments, the arm picks up non-live eggs from the hatchery tray and drops them off directly into a carton, for later use. Once the non-live eggs are removed, the tray is moved to an exit portion of the apparatus. In some embodiments, the apparatus is configured to reversibly attach to an in ovo injection apparatus, which comprises a plurality of injectors, and which may be configured to conditionally deliver vaccine and/or other medicaments only when an egg is present beneath one of the injectors.
- Accordingly, the egg candling and relocation apparatus minimally comprises: a means for conveying hatchery trays; an egg lifting means comprising a vacuum system, for reversibly supplying suction to eggs, and a robotic arm, which is mechanically and operably connected to the vacuum system, and which is configured to reversibly apply suction to individual eggs; a light source, configured to direct light at the eggs; a vision camera, configured to receive the light that passes through the eggs; a computer, configured to process, store and communicate the information collected by the camera; and, at least one computer control, configured to direct the activities of the components of the apparatus.
- In some embodiments, the egg lifting means is a robot that includes: a flexible suction cup; pneumatic circuitry, which is configured to allow air pressure to be raised and lowered inside the suction cup when the suction cup is in contact with an egg; a pedestal; a first arm connected to the pedestal and capable of swiveling around a first axis in relation to the pedestal; a second arm connected to the first arm and capable of swiveling around a second axis that is parallel to the first axis and spaced apart from the first axis, in relation to the first arm; and a wiring section which accommodates a wire therein and conveys the wire from the second arm to the pedestal. The wiring section includes: a duct supporting portion provided to protrude from the pedestal and intersect with the first axis; a first joint connected to the duct supporting portion and capable of swiveling around the first axis in relation to the duct supporting portion; a second joint connected to the second arm and capable of swiveling around the second axis in relation to the second arm; and a duct connected to the first joint and the second joint. The first joint is provided with a first connecting portion forming a predetermined angle relative to the first axis. The second joint is provided with a second connecting portion forming a predetermined angle relative to the second axis. The duct has a first end and a second end. The first end is connected to the first connecting portion. The second end is connected to the second connecting portion. In general, any suitable robotic arm may be used in the practice of this invention, for example, the robotic arm described in US 2014/0109712A1 (to Epson), which is herein incorporated by reference in its entirety.
- In some embodiments, the egg lifting robot includes a vacuum generator having first and second passageways, in fluid communication with the first and second passageways, and a flexible cup positioned at a terminal end of a robotic egg-lifting arm, wherein the flexible cup comprises an interior that is in fluid communication with the vacuum generator second passageway. The vacuum generator produces subatmospheric pressure (vacuum) within the second passageway upon actuation of a vacuum generator pneumatic control valve. The control valve may be actuated by any suitable actuator, including an electrical, pneumatic or hydraulic actuator. The flexible cup is configured to engage and retain an egg in seated relation therewith when subatmospheric pressure is provided within the flexible cup interior via the vacuum generator second passageway.
- In some embodiments, the flexible cup is removably secured to a suction cup mount, which is operably connected to a vertical quill of the robotic arm. A screen may be positioned within the interior of the flexible cup and may be configured to prevent foreign matter from being pulled into the passageway of the vacuum generator.
- In some embodiments, an apparatus for removing eggs from an egg carrier (e.g. a hatchery tray) includes a frame, a pressurized air source, and a platform comprising at least one robotic arm egg lifting apparatus.
- In some embodiments, a method of cleaning and/or sterilizing the egg lifting apparatus includes immersing the flexible cup in a bath of cleaning solution, and inducing vacuum within the interior of the vacuum cup by forcing air flow through the vacuum housing first passageway, wherein contaminants are pulled upwardly through the second passageway and out assembly.
- In some embodiments, the egg-relocation apparatus is adaptable to in ovo injection machines, for example, but not limited to INTELLIJECT® and OVOJECTOR®. In still other embodiments, the egg-relocation apparatus may comprise and additional egg-lifting robot, which may be configured to fill empty spaces in an egg carrier with viable eggs. In such an embodiment, there the subsequent in ovo injection machine need not be configured to deliver vaccine or other fluids only when an egg is present, since the entire egg carrier will be populated with viable eggs, ready for injection.
- In some embodiments, the egg-candling and relocation apparatus may remove clear eggs from a production line before vaccination at any time between
day 17+12 hours and day 19+12 hours of incubation. “Clear” eggs are defined herein as entirely infertile, early dead (gestation cessation at day 1-5) and most early-mid dead (gestation cessation at day 6-11); non-clear eggs are defined herein as late-mid dead (gestation cessation at day 11-14), late dead (gestation cessation at day 15-transfer), contaminated and live. In ideal embodiments, the egg-candling and relocation apparatus is capable of discriminating among infertile, early dead, most early-mid dead, late-mid dead, late dead, contaminated and live; and, the apparatus is capable of relocating all non-live/non-viable eggs. In this way, only live/viable eggs will remain in the egg carrier, to be presented to a suitable in ovo injection machine for subsequent injection. - In a particular embodiment, the apparatus is at least 99.9% accurate in identifying and relocating clear eggs, and is 100% accurate in not relocating viable eggs. Clear eggs remain intact during removal and may be automatically relocated into egg cartons for resale.
- Accordingly, it is an object of the invention to not encompass within the invention any previously known product, process of making the product, or method of using the product such that Applicant reserves the right and hereby disclose a disclaimer of any previously known product, process, or method. It is further noted that the invention does not intend to encompass within the scope of the invention any product, process, or making of the product or method of using the product, which does not meet the written description and enablement requirements of the USPTO (51 U.S.C. §112, first paragraph) or the EPO (Article 83 of the EPC), such that Applicant reserves the right and hereby disclose a disclaimer of any previously described product, process of making the product, or method of using the product.
- These and other embodiments are disclosed or are obvious from and encompassed by, the following Detailed Description.
- The following detailed description, given by way of example, but not intended to limit the invention solely to the specific embodiments described, may be best understood in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a side view of an egg candling and relocation apparatus, according to embodiments of the present invention. -
FIG. 2 is an internal and elevated view of the apparatus ofFIG. 1 that illustrates the various components thereof. -
FIG. 3 is an internal and elevated view of the apparatus ofFIG. 1 with the egg relocation robot removed. -
FIG. 4 is a detailed view of the actuators and track that are configured to convey egg carriers along the length of the apparatus ofFIG. 1 , from its loading area to its egg candling station. -
FIG. 5 is detailed view of the carriage that conveys the egg carrier from the viable egg staging area to the exit of the apparatus ofFIG. 1 . The apparatus is configured to be reversibly connectable to a subsequent and compatible in ovo injection apparatus, as depicted inFIGS. 7 to 8 . -
FIG. 6 is a detailed view of a compatible in ovo injection machine, which is configured to reversibly connect to the egg candling and relocation apparatus ofFIG. 1 . -
FIG. 7 is a detailed view of the apparatus ofFIG. 1 connected to a compatible in ovo injection machine. -
FIG. 8 is a side view of the apparatus ofFIG. 1 connected to a compatible in ovo injection machine. -
FIG. 9A is a side view of a robotic egg relocation apparatus, according to embodiments of the present invention. -
FIG. 9B is a detailed top view of the egg relocation apparatus ofFIG. 9A . -
FIG. 9C is a detailed side view of the egg relocation apparatus ofFIG. 9B , showing the vacuum generator and the electrical and pneumatic circuitry. -
FIG. 9D is a detailed rear view of the vacuum module shown inFIGS. 9A-9C . -
FIG. 9E is a detailed view of the flexible cup shown inFIG. 9A . -
FIG. 10 illustrates the flexible vacuum cup of the egg relocation apparatus ofFIG. 9A being immersed in a bath of cleaning/disinfection solution; -
FIG. 11 shows an embodiment of the egg relocation apparatus wherein the robotic arm is mechanically connected to a plurality of flexible cups, each cup operably connected to its own vacuum generator and electrical and pneumatic circuitry. This version of the egg relocation apparatus is capable of removing and relocating multiple eggs at a time; -
FIG. 12 is a magnified view of the array of vacuum generators and egg removers; -
FIG. 13 is a magnified view of multiple vacuum generators mounted on a vacuum generator base; -
FIG. 14 is a magnified view of the forty-two (42)egg remover head 530; -
FIG. 15 is a view focusing on the six (6)egg remover head 540; -
FIG. 16 shows an embodiment of the apparatus equipped with a single-egg remover head 525 and configured to accommodate wide format egg trays. An optionalegg receiving tray 800 is also depicted. - It is noted that in this disclosure and particularly in the claims and/or paragraphs, terms such as “comprises”, “comprised”, “comprising” and the like can have the meaning attributed to it in U.S. Patent law; e.g., they can mean “includes”, “included”, “including”, and the like; and that terms such as “consisting essentially of” and “consists essentially of” have the meaning ascribed to them in U.S. Patent law, e.g., they allow for elements not explicitly recited, but exclude elements that are found in the prior art or that affect a basic or novel characteristic of the invention.
- Unless otherwise explained, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The singular terms “a”, “an”, and “the” include plural referents unless context clearly indicates otherwise. Similarly, the word “or” is intended to include “and” unless the context clearly indicates otherwise. Finally, “about” has the ordinary meaning of “plus or minus 10%.”
- The present invention now is described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
- All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety.
- In the drawings, the thickness of lines, layers and regions may be exaggerated for clarity. It will be understood that when an element is referred to as being “on” another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being “directly on” another element, there are no intervening elements present. It will be understood that when an element is referred to as being “connected” or “attached” to another element, it can be directly connected or attached to the other element or intervening elements may also be present. In contrast, when an element is referred to as being “directly connected” or “directly attached” to another element, there are no intervening elements present. The terms “upwardly”, “downwardly”, “vertical”, “horizontal” and the like are used herein for the purpose of explanation only. In one aspect, the present invention provides
- Egg candling and relocation apparatus according to embodiments of the present invention may be utilized for distinguishing and relocating various types and sizes of eggs (e.g. live/viable, clear, unfertilized, dead, and the like) and in conjunction with various egg processing techniques (e.g., in ovo inoculation/injection, in ovo virus cultivations, etc.). Egg candling and relocation apparatus according to embodiments of the present invention may be used with any type of avian eggs including, but not limited to, chicken eggs, turkey eggs, duck eggs, geese eggs, quail eggs, pheasant eggs, exotic bird eggs, etc.
- Referring now to
FIGS. 1-10 , an egg candling andrelocation apparatus 10, according to embodiments of the present invention is illustrated. The illustrated candling andrelocation apparatus 10 includes a set of outer loading rails 15, configured to receive an egg carrier 7 (e.g. hatchery tray) into a loading area 1. Theouter rails 15,inner rails 17 andsupport member 16 collectively form a table or shelf, which may be collapsible to facilitate transportation of the apparatus. Thesupport member 16 is configured to reversibly attach to a support member rod 18 (not shown), which supports the table in its horizontal or non-collapsed position. After entering the apparatus at the loading area 1, the egg carriers 7 are conveyed into thecandling station 100, where non-viable eggs are removed and relocated, and then, the remaining viable eggs are transported to the viableegg staging station 200. Finally, the eggs are conveyed out of the apparatus, and, ideally, directly into a compatible in ovo injection machine. - Affixed near or adjacent to loading area 1 is a user
interface touch screen 50, which is mounted to the apparatus via mounting means 52. Thescreen 50 is electrically connected to, and is capable of controlling, all the mechanical and electrical functions of theapparatus 10. - Atop the
apparatus 10 is a camera enclosure 55, for housing a camera 56, which is configured to receive light that passes through a plurality of eggs 5, which are contained within an egg carrier/hatchery tray 7. Light captured by the camera is converted therein into digital information, which is accessible by a processor or controller that controls the motion of anegg relocation apparatus 101. Various panels provide containment and protection for the eggs as they are conveyed through theapparatus 10, including: anentrance panel 20; a candling stationtop panel 145; onto which thecamera enclosure 155 is mounted, and comprising anorifice 157 through which the light or thecamera 156 may pass; and, a viableegg staging area 200top panel 228.Panel 145 is affixed to and supported byhorizontal frame members 146 andvertical frame members 147. Similarly,panel 228 is affixed to and supported bycurved frame members 229. Other panels are presented in subsequent Figures, and all of the panels and supportive structures may be routinely modified (e.g. opaque materials may be exchanged for transparent or translucent materials; metallic materials may be exchanged for composite/synthetic materials). - Within the space immediately above the
robot controller 180cabinet door 160, asanitation fluid tank 170 and anegg relocation robot 101 are mounted to horizontal portions of the frame of the apparatus. Therobot 101 must be situated such that it can lift and relocate any of a plurality of eggs 5 contained within an egg carrier 7, while still being able to extend the flexible egg-relocation cup 145 into thesanitation tank 170 for cleaning. Alternatively, the robot could be suspended from above instead of mounted as shown inFIG. 1 . To the right of therobot controller cabinet 160 is acabinet 260, which house anelectrical controller 280 and apneumatic controller 281. Appropriate conduits and electrical connectivity are included to allow a user to control all aspects of theapparatus using interface 50. - An egg carrier 7 is shown entering the “loading table,” via rails 15. The carrier will next be guided to the
candling area 100, then to the viableegg staging area 200, and finally to anexit area 300. From theexit area 300, the carrier 7 will be conveyed or transferred to a compatible inovo injection machine 400. An egg carrier transfer component/carriage 303 (equipped with clasping means 304, 306) and apparatus joining means 305 are configured to allow the egg candling andrelocation apparatus 10 to reversibly connect to a compatible inovo injection machine 400. Securing means 310 are configured to allow theapparatus 10 to be reversibly locked or secured to the inovo injection machine 400. Finally, theapparatus 10 is configured such that it is portable, yet stable once it has been moved into the desired position.Lockable casters 80 and braking means 85 provide the apparatus with these necessary portability and stability functionality. - Turning now to
FIG. 2 , which shows an internal and elevated view of the apparatus ofFIG. 1 , with its top enclosure and frame portions removed. Theexternal rails 15, along with theinternal rails 17, form a table or shelf, which may be collapsible from its depicted horizontal position to a vertical storage/transportation position. In the case where the table or shelf is collapsible, thesupport member 16 is configured to reversibly attach to a support member rod 18 (not shown), which may be pivotably affixed to the frame of theegg candling area 200, such that the rod 18 can extend to connect to a support the table. With the top enclosure and frame portions removed, an egg flat/carrier 7 is shown adjacent to an egg flat/tray carriage 191, which is configured to reversibly engage with and move the egg flat 7 from theegg candling area 100 to the viableegg staging area 200. - As indicated in
FIG. 2 , the eggflat carriage 191 comprises 2 orifices through withair cylinder 195 andair cylinder 193 extend.Air cylinders front transfer cylinder 190, such that when the transfer cylinder 109 is actuated by pneumatic force,cylinders cylinder 195 engages with the flat, such that whencylinder 195 is moved laterally, so too does the flat. As such,cylinder 195 functions like a retractable hook, such that when extended behind the egg flat,cylinder 190 is then actuated, and the egg flat is pulled along the track.Cylinder 193 is only actuated while the robot is pulling out the identified eggs, such thatcylinder 193 secures the flat so that the removal of the eggs does not move the flat and eggs out of position, relative to when the eggs to be removed were identified. When the last egg to be removed has been pulled out by the robot and suction cup,cylinder 193 retracts to allow the egg flat to be pulled along the track by the action ofcylinder 195. Accordingly, in this embodiment, the sole purpose ofcylinder 193 is to grip/push the flat against the side rail during the egg removal, so that the flat 7 does not move during this step. If the flat were to move, the eggs could be moved out of position, relative to the positions determined during the candling step, and the robot controller would no longer have the proper coordinate of the eggs to be removed. - During typical operation of the apparatus, a user loads a flat 7 carrying a plurality of eggs onto the shelf formed by
rails egg candling area 100, thegripper cylinder 193 is actuated, and reversibly engages with the flat 7. Thecarriage 191 then moves along the length of thecylinder 190, thereby moving the flat 7 from theegg candling area 100 to the viableegg staging area 200. Once the tray is placed in thestaging area 200, thegripper cylinder 193 disengages from the flat 7, allowing the carriage to return to its starting position at the beginning or entrance of theegg candling area 100, ready to engage with the next incoming flat 7. In this manner, egg flats 7 are serially fed into the apparatus at the far left end of therails 15, pushed into theegg candling area 100, picked up by thecarriage 191 andgripper cylinder 193, and then moved bycylinder 190 into the viableegg staging area 200. - Once the flat 7 is in the viable
egg staging area 200, thecarriage 303 is moved along thecylinder 302, and underneath the flat, to the end of the flat closest to theegg candling area 100 from which the flat 7 just arrived. While thecarriage 302 is moving underneath the flat 7, thecarriage fingers carriage 302, pivot downward as a result of making physical contact with the egg flat 7. In other words, thefingers carriage 302 moves underneath the flat 7 until the first set offingers 306 clears the underside of the flat and returns to its initial position. Thecarriage 302 then reverses its direction of lateral movement, such that thefingers 306 engage with the flat 7 and move the flat from the viableegg staging area 100 toward the exit of the apparatus (i.e. toward the awaiting in ovo injection machine 400). Once the carriage reaches its ending point along cylinder 302 (e.g. as shown inFIG. 2 ), thecarriage 302 reverses direction once more, bringing the second set offingers 304 out from underneath the flat 7, where now all four (4)fingers cylinder 302 will move thecarriage 303, which in turn moves thefront fingers 304 to engage with the flat 7. Thecarriage 303 then moves into the position shown inFIG. 2 , which moves the flat 7 to the end of the apparatus 10 (as shown inFIG. 3 ), and either off the apparatus, or onto a waiting second apparatus, for example, the inovo injection machine 400 shown inFIG. 8 . -
FIG. 3 is an internal and elevated view of the apparatus ofFIG. 1 with the egg relocation robot removed, and the egg flat 7 shown at its most distal position, ready to be transferred off the apparatus and on to an awaiting secondary apparatus. With the enclosure and upper frame portions removed, a candlinglight shroud 108 having a plurality oforifices 187 may be visualized. In the embodiment shown inFIGS. 1 to 10 , theapparatus 10 comprises a candling light source positioned beneath theshroud 108 and configured to shine light at theshroud 108 and through the plurality oforifices 187. Applicants found surprisingly that candling fidelity/accuracy could be significantly improve by guiding the candling light through the orifices. Necessarily, theholes 187 are configured to align with the positions of the plurality of eggs held within the tray/flat 7. Also shown inFIG. 3 is a stabilizingmember 88 having afoot portion 87 and a retractablepneumatic cylinder 89 configured to allow for extension and retraction of thesupport 88. Any suitable such supporting means may be used in the practice of the invention. Finally, arobotic arm support 102 can be seen from this view, as well as the egg tray 7 andegg tray carriage 303, which are shown at their most distal positions along theapparatus 10. In this position, the tray 7 must be supported by some downstream apparatus, for example, the in ovo injection machine shown inFIG. 8 . Both the candling andrelocation apparatus 10 and any downstream apparatus must be configured to reversibly connect to one another (see e.g.FIGS. 5 to 8 ) -
FIG. 4 shows a close-up view of thepneumatic cylinder 190, which is configured to move a carriage table 182 laterally from a starting/proximal position to an ending/distal position. An egg flat carriage 181 (shown inFIG. 3 ) operably connects eggflat carrier cylinder 195 to eggflat gripper cylinder 193.Cylinders spacers gripper rod 187 is configured to extend to engage with and “grip” the egg tray 7, at the same time the robot picks and relocates the eggs. As indicated in this embodiment, ahardware mounting orifice 186 may be present atop the carriage table 182.Cylinder 190 is attached to the apparatus via cylinder end cap 197 (i.e. the mounting point for the rodless cylinder 190), and adjustablestroke limiter block cylinder 190 to meet a variety of range of motion requirements. Shock absorber 185 (e.g. an air or hydraulic cushion) is configured to reduce impact when base 182 moves to is proximal- or distal-most position (i.e. when the stroke limiter block strikes the mounting end cap 197), and an adjustablehard stop 184 is configured to provide an absolute hard stop location for thelimiter block 183. The adjustability and shock absorbing features allow theapparatus 10 to be configured to suit a variety of conditions, including, but not limited to, different sized egg flats 7. Further, theapparatus 10 comprises suitable pneumatic and electrical connectivity to allow a user to control all aspects of the apparatus, including those ofcylinders user interface 50. -
FIG. 5 is detailed view of theapparatus 10 new thecarriage 303 and its pivotablyretractable fingers rodless cylinder 302, from the viableegg staging area 200 to the exit of the apparatus ofFIG. 1 . The apparatus is configured to be reversibly connectable to a subsequent and compatible inovo injection apparatus 400, as depicted inFIGS. 7 to 8 . Carriage rails 305 andouter rail 307 form a table or support for the egg tray/flat 7, similarly to the way rails 15 and 17 formed a table at the entrance of theapparatus 10. Therails ovo injection machine 400. Likewise,carriage 303 is configured to be compatible with downstream in ovo injection machine components, such that the egg tray 7 may be safely and efficiently handed off from the candling andremoval apparatus 10 to the inovo injection machine 400. Inter-apparatus connecting means 310 (e.g. draw latches, pull latches, and the like) are mounted onto mounting means 311 (e.g. brackets, braces, flanges, or the like), which themselves are mounted onto the frame of theapparatus 10. As shown, eachdraw latch 310 includes ahandle 313 and ahook 312. The hook connects to corresponding hook receiver 401 (seeFIG. 6 ), which is mounted onto the frame of the inovo injection machine 400. -
FIG. 6 shows the inovo injection machine 400 components that are configured to receive and/or connect with corresponding candling andremoval apparatus 10 components. Shown are thehandles 420, which are used to move the in ovo injection machine; and hookreceivers 401, which are configured to receive and reversibly attach to thehooks 312 from the candling andremoval apparatus 10.Carriage receiving rails 416 are configured to align withapparatus rails 305, such that thecandling apparatus carriage 303 may be moved all the way up to inovo machine carriage 410, which compriseswheels 412. -
FIG. 7 shows the meeting and/or connection of corresponding components when theapparatus 10 is connected to the inovo injection machine 400. The connecting means 310 and hookreceivers 401 are sufficient to keep the apparatuses physically connected to one another, and the corresponding components are configured to allow and facilitate the hand off or exchange of the egg tray 7 from theapparatus 10 to the inovo machine 400. InFIG. 7 , thecarriage 303 is shown at its distal-most position, having pushed the egg tray/flat 7 into the entrance of the inovo injection machine 400.Carriage 410, which may be similarly equipped with pusher fingers (i.e. like the carriage 303), is configured to move the egg tray 7 from the beginning portion of the in ovo machine and onto subsequent portions of the machine. Finally,FIG. 8 shows the egg candling andrelocation apparatus 10 connected the inovo injection machine 400, collectively referred to herein as an egg candling, relocation andinjection system 600. In a particular embodiment, the inovo injection machine 400 is as described in U.S. Pat. No. 7,430,987, U.S. Pat. No. 7,721,674, or U.S. Pat. No. 8,201,518, each to David Smith (Profilax). -
FIGS. 9A to 9E, and 10 provide details of the egg candling and relocationrobotic arm 101. An example robotic arm is described in US 2014/0109712 (“the '712 publication), to Epson. As further detailed in the Epson publication, therobot 101 is a horizontal multi joint robot. Apedestal 110 is fixed to arobot arm support 102, with bolts or the like. Thefirst arm 120 is connected to an upper end of thepedestal 110. Thefirst arm 120 is capable of swiveling around a first axis A1 that extends along a vertical direction, in relation to thepedestal 110. Inside thepedestal 110, a first motor 111 which causes thefirst arm 120 to swivel, and a first decelerator 112 are installed. An input axis of the first decelerator 112 is connected to a rotation axis of the first motor 111. An output axis of the first decelerator 112 is connected to thefirst arm 120. Therefore, when the first motor 111 is driven and a driving force thereof is transmitted to thefirst arm 120 via the first decelerator 112, thefirst arm 120 swivels within a horizontal plane around the first axis A1 in relation to thepedestal 110. The first motor 111 is provided with a first encoder 113 which outputs a pulse signal corresponding to the amount of rotation of the first motor 111. Based on the pulse signal from the first encoder 113, driving (amount of swiveling) of thefirst arm 120 in relation to thepedestal 110 can be detected. Thesecond arm 130 is connected to a distal end of thefirst arm 120. Thesecond arm 130 is capable of swiveling around a second axis A2 that extends along a vertical direction, in relation to thefirst arm 120. Other details of this robot, or other functionally equivalent robots, are readily available to the skilled person, for example, in product literature from robot manufacturers. - As shown in
FIG. 9A , therobotic arm 101 is fitted with a variety of pneumatic and electrical circuitry, which allows thearm 101 to pick up and relocate eggs. Thearm 101 of the egg candling andrelocation apparatus 10 comprises flexible/elastomeric cup 140, which is configured to pick up and release spherical and ovoid objects, including avian eggs. Thecup 140 is connected to ahollow shaft 147 bycup mount 146. Therobotic arm 101 is configured to move theshaft 147 vertically, up and down, allowing the cup to come into contact with eggs, pick them up, and move the eggs to a selected location. Any suitable length and type ofshaft 147 may be used in the practice of the invention, provided that theshaft 147 is hollow and configured to serve as a conduit for air, such that thecup 140 can be reversibly presented with subatmospheric pressure. It is this subatmospheric pressure that allows theflexible cup 140 to pick up the round and ovoid objects. Theuser interface 50 allows a user to control therobot controller 180, which controller is electrically connected to therobot 101, and configured to control all aspects of the robot's functions. -
Vacuum generator 132, which is mounted on the robot'ssecond arm 130 via a mountingplate 134, is in fluid communication with thecup 140 viaconduit 149,shaft 147 andcup mount 146. Thegenerator 132 is configured to reversibly supply sub-atmospheric pressure to thecup 140 in response to the opening and closing of a vacuum generatorpneumatic control valve 135. As shown, thevalve 135 is an electrical actuator, which configured to open or closepneumatic valve 135 in response to electrical signals from theelectrical controller 280. In other embodiments, the valve may be opened by pneumatic or hydraulic forces, instead of by electrical actuation. Whenvalve 135 opens, air pressure from the airpressure supply line 133 is permitted to pass through thevalve 135, through conduit 139 (air pressure supply line to venturi), into thevacuum generator 132, and out the exhaust/muffler 132 m. The flow of pressurized air through 139 and out the muffler creates a venturi effect, whereby subatmospheric pressure is produced inconduit 149. This subatmospheric pressure is communicated to thecup 140, such that when thecup 140 is pressed down against an egg to be relocated, and the subatmospheric pressure is applied, the egg is sealably held to thecup 140 by the negative pressure. Once therobot 101 moves the egg to a desired new location, an electrical signal carried alongwire 137 causes thevalve 135 to close, thereby releasing the temporary subatmospheric pressure, and releasing the egg.Connection point 136 facilitatesroutine valve 135 replacement by obviating the need to cut andsplice wire 137. And as shown inFIG. 9D , an air valve base portedaluminum block 129 directs the airflow to the components, to and fromvalve 135. - As shown in
FIG. 9E , theflexible cup 140 comprises a mounting point “P”, avacuum passage 144, a softlower lip 141, afilter screen 142, and a semi-rigid double below 143. The skilled person will appreciate that other suitable flexible suction cups may be used in the practice of this invention. - As shown in
FIG. 10 , theapparatus 10 may comprise a reservoir/tank 170 for holding a volume of cleaning/sanitizing solution. At user-selected or pre-programmed intervals, the robotic arm dips theshaft 147 andflexible cup 140 into thetank 170. Negative pressure is applied, by action of the pneumatic controller and thevacuum generator 132, to draw solution into theshaft 147 through thecup 140. Solution is then circulated throughout theshaft 147 and conduits for a period of time sufficient to sanitize/clean saidshaft 147 and conduits. - The cycle of egg picking and relocating is repeated until each of the eggs to be relocated is removed from the tray 7 and placed into its desired location (e.g. egg carton, box, crate, tray, bin, and the like). Once the non-viable eggs are removed, the tray 7 containing only viable eggs is moved from the
candling area 100 to the viableegg staging area 200. Here, empty spaces may be filled (or not) with viable eggs, either by hand or by another robotic arm. - Accordingly, in an embodiment, the egg picking and relocation cycle may be performed by the
apparatus 10 according to the following steps: -
- 1. Information describing the location of the non-viable eggs is acquired and stored;
- 2. Egg location information is communicated to the robot controller;
- 3. The robot controller determines what motions are required to bring the
cup 140 into contact with the non-viable egg(s) to be relocated; - 4. The robot controller instructs the
robot 101 to movearm 120 about axis A2,arm 130 about axis A1, andshaft 147 vertically, to pick up a non-viable egg to be relocated; - 5. Once the
shaft 147 is moved sufficiently downward to cause thecup 140 to contact a non-viable egg to be relocated, theelectrical controller 280 instructs thevalve 135 to open, allowing pressurized air fromconduit 133 to pass throughvalve 135, intoconduit 139 and intovacuum generator 132; - 6. Pressurized air passing through the
vacuum generator 132 and out the muffler produces negative pressure inconduit 149, which produces subatmospheric pressure in the air between thecup 140 and the egg to be relocated, thereby temporarily holding the egg to the cup; - 7. The robot controller instructs the
robot 101 to moveshaft 147 vertically,arm 120 about axis A2 andarm 130 about axis A1, to carry the egg to a new location; - 8. The
electrical controller 160 instructs thevalve 135 to close, allowing the air between thecup 140 and the egg to return to atmospheric pressure, which allows the egg to be released from thecut 140; - 9. The cycle is repeated until all non-viable eggs are removed from the tray and relocated.
- The
cup 140 may be cleaned at any time by moving the cup into thesanitization vessel 170 and passing air back and forth to cause sanitizer solution to cleanse the cup. The solution may also be drawn up into theshaft 147 and various conduits, to cleanse the shaft and conduits. - As described below, different egg remover “heads” may be mounted on the robot, in a modular fashion, to accommodate the needs of different hatcheries (e.g. to accommodate different types of egg trays).
- Forty-Two-Egg Remover Head.
- As indicated in
FIG. 11 , the egg removal and relocation apparatus may comprise arobot 101 that is mechanically and operably connected to an array ofsuction cups 140. As shown, eachsuction cup 140 is mechanically connected to, and movable by, anindependent actuator 504. Eachactuator 504 is mounted to anegg remover base 500, which base is mounted onshaft 147 ofrobot 101. As shown inFIG. 14 ,shaft 147 may connect to theegg remover base 500 via shaft attachment means 520. The attachment means may be a segmented annual ring system, or any other mechanically suitable means for attaching the cylindrical shaft to theegg remover base 500. Eachsuction cup 140 is in fluid communication with anindividual vacuum generator 132 via a conduit (not shown), which fluidly connects eachsuction cup 140 with itscorresponding vacuum generator 132. Each conduit is sealably connectable to anairline receiver 508. Moreover, eachactuator 504 is operably connected to the robot 101 (e.g. via electrical wires for electric actuators, or via air conduits for pneumatic actuators), such that each combination ofsuction cup 140 and actuator 504 (together referred to as “egg remover”, or 510) is individually controllable to remove and relocate eggs. Theindependent actuator 504 provides an additional benefit, which is to reduce the risk of contamination and improve biosecurity (i.e. so that eachsuction cup 140 only comes into contact with the non-viable eggs). Furthermore, since eachsuction cup 140 has its own independentlycontrollable vacuum generator 132, only thecups 140 that are picking out bad eggs generate vacuum, reducing the risk of cross-contamination. Thevacuum generators 132 may be mounted as banks 512 (as shown), mounted to a vacuumgenerator bank base 514, which base may be mounted on therobot 101. As indicated by the dotted line, another base 514 (having banks ofvacuum generators 132 mounted thereto) is present on the opposite side of the robot 101). Finally, the embodiment disclosed inFIGS. 11 to 14 is capable of removing and relocating from 0 to 42 eggs per move/cycle. Thus, the apparatus shown inFIGS. 11 to 14 comprises an array of 42egg removers 510, and is capable of picking, removing and relocating 42 eggs (e.g. non-viable eggs) per move. Accordingly, this apparatus can process an eighty-four (84) egg flat in two moves. Although not shown (to simplify the drawings), the apparatus comprises suitable air conduits and/or electrical wires to connect the vacuum generators to theegg removers 510. - Six-Egg Remover Head.
- In another embodiment, the egg removing and relocation apparatus may be equipped with a six (6) egg per move egg remover head 540 (
FIG. 15 ). Like the 42egg remover head 530, eachegg remover 510 is independently controllable, allowing the apparatus to remove and relocate 0 to 6 eggs per move/cycle. - Single-Egg Remover Head.
- In still another embodiment (
FIG. 16 ), the apparatus may be equipped with a single-egg remover head 525, like the apparatus depicted inFIGS. 1 to 4 , and be configured to accommodate wide-format trays (e.g. 150-egg trays). In this embodiment, cycle time is necessarily dependent upon the number of eggs that must be to be removed & relocated per cycle. However, this configuration offers several benefits including reduced manufacturing costs, reduced maintenance requirements and greater simplicity. And similar to the embodiment shown inFIGS. 1 to 4 , the embodiment shown inFIG. 16 is capable of precisely repacking removed eggs. In such a case, a receivingtray 800 may be positioned such that the apparatus is capable of filling the receiving tray with the removed eggs. When the receiving tray is full of removed eggs (e.g. non-viable eggs), the apparatus expels the filled receiving tray, so that anempty receiving tray 800 may be placed into the receiving position, thus allowing the repacking process to continue. - Advantageously, each egg remover head (e.g. single-egg, six-egg, forty-two-egg, etc.) may be used with any egg flat configuration, based upon each hatchery's needs.
- Now that the invention has been disclosed, Applicants envision many mechanically reasonable configurations for the various components of the apparatus.
- The invention will now be described by the following set of non-limiting claims.
Claims (15)
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CN103181339A (en) * | 2013-03-26 | 2013-07-03 | 上海石井畜牧设备有限公司 | Device for automatically screening embryonated eggs |
CN104520693B (en) * | 2013-06-14 | 2017-07-28 | 株式会社Nabel | Hatching egg check device and hatching egg inspection method |
US9521831B2 (en) * | 2013-12-17 | 2016-12-20 | Zoetis Services Llc | Apparatus for removing eggs from egg carriers, and associated method |
CN103791326B (en) * | 2014-01-29 | 2015-10-28 | 北京天诚盛业科技有限公司 | A kind of sucked type light compensating lamp for interior of articles detection and light compensation method thereof |
JP6499670B2 (en) * | 2014-03-26 | 2019-04-10 | ゾエティス・サービシーズ・エルエルシー | Egg support assembly and related devices and methods |
CN205196693U (en) * | 2015-11-10 | 2016-05-04 | 哈尔滨维科生物技术开发公司 | Hatching egg detector |
-
2017
- 2017-08-25 WO PCT/US2017/048532 patent/WO2018039511A1/en unknown
- 2017-08-25 EP EP17764938.1A patent/EP3504547A1/en active Pending
- 2017-08-25 BR BR112019003813-2A patent/BR112019003813B1/en active IP Right Grant
- 2017-08-25 CN CN201780062846.XA patent/CN109952509B/en active Active
- 2017-08-25 KR KR1020197008188A patent/KR102494563B1/en active IP Right Grant
- 2017-08-25 JP JP2019531550A patent/JP7043499B2/en active Active
- 2017-08-25 AR ARP170102368A patent/AR109426A1/en unknown
- 2017-08-25 MY MYPI2019001009A patent/MY195942A/en unknown
- 2017-08-25 US US15/686,234 patent/US10458966B2/en active Active
- 2017-08-25 CA CA3039744A patent/CA3039744C/en active Active
- 2017-08-25 MX MX2019002213A patent/MX2019002213A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10143185B2 (en) * | 2001-04-17 | 2018-12-04 | Zoetis Services Llc | Methods and apparatus for selectively processing eggs having identified characteristics |
EP3772397A1 (en) * | 2019-08-05 | 2021-02-10 | Ishida Co., Ltd. | Article gripping device with cleaning mechanism |
US11331795B2 (en) | 2019-08-05 | 2022-05-17 | Ishida Co., Ltd. | Article gripping device |
Also Published As
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MY195942A (en) | 2023-02-27 |
CA3039744C (en) | 2024-01-30 |
US10458966B2 (en) | 2019-10-29 |
CA3039744A1 (en) | 2018-03-01 |
KR20190040048A (en) | 2019-04-16 |
AR109426A1 (en) | 2018-11-28 |
BR112019003813A2 (en) | 2019-05-21 |
JP2019534035A (en) | 2019-11-28 |
JP7043499B2 (en) | 2022-03-29 |
CN109952509B (en) | 2021-09-24 |
KR102494563B1 (en) | 2023-01-31 |
EP3504547A1 (en) | 2019-07-03 |
BR112019003813A8 (en) | 2022-12-20 |
CN109952509A (en) | 2019-06-28 |
MX2019002213A (en) | 2019-08-21 |
BR112019003813B1 (en) | 2023-02-14 |
WO2018039511A1 (en) | 2018-03-01 |
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